Cronartium ribicola J.C. Fisch.

Cronartium ribicola J.C. Fisch.

Cronartium ribicola uredinia on the lower side of a Ribes leaf

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The requirements to use the photos of this site are to correctly identify the disease and to properly identify the source of the photo:

Eric Allen, Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre

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